Ranjaner Aquarium Underground Tunnel Cave, Clear Viewing Window for Fish & Shrimp Under Gravel, Decorative Hideout for Corydora Catfish, Kuhli Loach(Black,Size:7inch)

The underground tunnel of the aquarium is made of plastic with double holes, which is safe for the aquarium. It will also sink to the bottom of the aquarium, so if not needed, there is no need to bury it in sand.. Aquarium underground tunnel with double holes, suitable for various fish species such as scavengers, loaches, cormora catfish, fighting fish, shrimp, and more! Easy to install, simply move the base away, lean against the glass, and then move the base back around the cave.. It is not only an excellent hiding place, but also provides the owner of the fish tank with an excellent viewing experience. The addition of this new scenery in the aquarium will enable people to observe fish in the natural environment from a completely new perspective.. The design inspiration for the underground natural curved tunnel and double cave of the aquarium comes from the infiltration of natural caves. The curved shape of the aquarium tunnel is natural and smooth, perfectly integrating with the habitat of aquatic organisms.. Size: 7 inches long, 3.5 inches deep, 2.25 inches high. The entrance of the cave is 2.25 inches long and 2.25 inches wide.